It needs as much generosity to take as to give.

Of the future, man knows least; yet, about this, he worries most.

Experience, if we only learn by it, is cheap at any price.

For every beauty there is an eye somewhere to see it.

Few can tell what they know without also showing what they do not know.

If silence is good for the wise, how much better is it for the foolish!

Doubt is the tax man pays for the luxury of useless knowledge.